How do peppered moths after the industrial revolution show the process of natural selection?
a. the black moths were more fit for survival, so their phenotype frequency increased. b. the black moths were more fit for survival, so their phenotype frequency decreased. c. the white moths were more fit for survival, so their phenotype frequency decreased. d. the white moths were more fit for survival, so their phenotype frequency increased.

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

If your blood becomes too concentrated with iona, what will happen to the red blood cells